[Event "St Cebria op"]
[Site "St Cebria"]
[Date "1997.??.??"]
[Round "3"]
[White "Carrillo Muniz, Jose"]
[Black "Ribas, Alejandro"]
[Result "0-1"]
[ECO "B30"]
[BlackElo "2180"]
[PlyCount "68"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 Nc6 3. Nc3 Nf6 4. d3 e6 5. Nf3 d5 6. exd5 exd5 7. Qe2+ Be7 8. Bb5 Bd7 9. Bxc6 Bxc6 10. d4 0-0 11. Be3 Re8 12. 0-0 Bd6 13. Rae1 Qb6 14. b3 Re7 15. Qd2 c4 16. Rb1 Bb4 17. Bg5 Qa5 18. Bxf6 gxf6 19. Qf4 Bxc3 20. Qxf6 Re6 21. Qg5+ Rg6 22. Qf5 Qd8 23. Qf4 Qf6 24. Qxf6 Rxf6 25. bxc4 dxc4 26. Ne5 a6 27. Nxc6 bxc6 28. Rfd1 Rd8 29. Rb6 Bxd4 30. Rbb1 Bxf2+ 31. Kh1 Rfd6 32. Rxd6 Rxd6 33. g3 c3 34. Kg2 Rd2 0-1

[Event "St Cebria op"]
[Site "St Cebria"]
[Date "1997.??.??"]
[Round "8"]
[White "Guitart Utset, Jordi"]
[Black "Ribas, Alejandro"]
[Result "0-1"]
[ECO "B21"]
[BlackElo "2180"]
[PlyCount "34"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. Nf3 Nc6 4. Bc4 e6 5. c3 dxc3 6. Nxc3 Bc5 7. 0-0 Nge7 8. Nb5 0-0 9. Nd6 Qb6 10. e5 Nxe5 11. Nxc8 Nxf3+ 12. Qxf3 Raxc8 13. Bb3 d5 14. Bf4 Nc6 15. Qg3 Bd4 16. Rab1 Ne7 17. Bd6 Nf5 0-1

[Event "St Cebria op"]
[Site "St Cebria"]
[Date "1997.??.??"]
[Round "7"]
[White "Ribas, Alejandro"]
[Black "Barcelo Pujadas, Pedro Jose"]
[Result "0-1"]
[ECO "B03"]
[WhiteElo "2180"]
[BlackElo "2255"]
[PlyCount "40"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Bc4 dxe5 5. dxe5 c6 6. Nf3 Bg4 7. h3 Bh5 8. g4 Bg6 9. Nh4 Be4 10. f3 e6 11. g5 Bg6 12. Nxg6 hxg6 13. h4 Be7 14. Qd3 Nd7 15. f4 Qb6 16. Bxd5 exd5 17. e6 Nc5 18. exf7+ Kxf7 19. Qf3 Qb4+ 20. Qc3 Qe4+ 0-1

[Event "St Cebria op"]
[Site "St Cebria"]
[Date "1997.??.??"]
[Round "4"]
[White "Ribas, Alejandro"]
[Black "Borras Duran, Pere"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "2180"]
[BlackElo "2160"]
[PlyCount "35"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3 0-0 6. Be2 b6 7. Be3 Bb7 8. d5 c5 9. Qd2 a6 10. a4 Nbd7 11. 0-0 Qc7 12. Bh6 Ne5 13. Bxg7 Kxg7 14. Nxe5 dxe5 15. f4 exf4 16. Qxf4 Qxf4 17. Rxf4 Nd7 18. Raf1 1/2-1/2

[Event "St Cebria op"]
[Site "St Cebria"]
[Date "1997.??.??"]
[Round "5"]
[White "Ribas, Alejandro"]
[Black "Robert, Antonin"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "2180"]
[BlackElo "2230"]
[PlyCount "19"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 d6 5. e5 dxe5 6. Nxe5 Ne4 7. Qa4+ Nc6 8. Nxc6 bxc6 9. Qxc6+ Bd7 10. Qxe4 1-0

[Event "St Cebria op"]
[Site "St Cebria"]
[Date "1997.??.??"]
[Round "2"]
[White "Ribas, Alejandro"]
[Black "Santos"]
[Result "0-1"]
[ECO "A42"]
[WhiteElo "2180"]
[PlyCount "56"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nc6 5. Be3 e5 6. d5 Nce7 7. Nf3 f5 8. g3 Nf6 9. Bd3 0-0 10. Qd2 fxe4 11. Nxe4 Nfxd5 12. cxd5 Rxf3 13. Be2 Rf8 14. g4 Bd7 15. h4 c6 16. Nxd6 cxd5 17. Nxb7 Qc8 18. Bc5 Qxb7 19. Bxe7 Rf7 20. Ba3 e4 21. h5 d4 22. Qg5 h6 23. Bc4 hxg5 24. hxg6 Be8 25. Kd2 Rc8 26. Bb3 e3+ 27. fxe3 Qg2+ 28. Kd3 Bb5+ 0-1

[Event "St Cebria op"]
[Site "St Cebria"]
[Date "1997.??.??"]
[Round "1"]
[White "Serra"]
[Black "Ribas, Alejandro"]
[Result "0-1"]
[ECO "B55"]
[BlackElo "2180"]
[PlyCount "120"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Qe2 e5 6. Nf3 Nc6 7. c3 Bg4 8. Nbd2 Be7 9. Qd1 d5 10. Be2 dxe4 11. Ng5 Bxe2 12. Qxe2 Qd3 13. Qxd3 exd3 14. 0-0 Rd8 15. Ndf3 e4 16. Nd2 0-0 17. Ngxe4 Rfe8 18. b4 Nxe4 19. Nxe4 Nxb4 20. cxb4 Bxb4 21. Nd2 Re2 22. Nf3 d2 23. Bxd2 Bxd2 24. Rad1 Ba5 25. Rxd8+ Bxd8 26. Rd1 Bb6 27. h3 Rxf2 28. Kh1 Rxa2 29. Nd2 Rc2 30. Re1 Kf8 31. Ne4 Bc7 32. Ng5 f6 33. Ne6+ Kf7 34. g4 b6 35. Nd4 Rc5 36. Rd1 Rd5 37. Kg2 Be5 38. Kf3 Rxd4 39. Rc1 a5 40. Rc6 Rb4 41. Rc8 a4 42. Ra8 b5 43. h4 Kg6 44. Ra6 Rb3+ 45. Ke4 a3 46. g5 b4 47. Rc6 a2 48. Rc1 Rb1 49. h5+ Kxg5 50. Rc2 a1Q 51. Rg2+ Kxh5 52. Rxg7 Qd4+ 53. Kf5 Rf1+ 54. Ke6 Qd6+ 55. Kf7 Qd7+ 56. Kf8 Bd6+ 57. Kg8 Qe8+ 58. Kxh7 Qe4+ 59. Kh8 Kh6 60. Rg8 Qh7# 0-1

[Event "St Cebria op"]
[Site "St Cebria"]
[Date "1997.??.??"]
[Round "6"]
[White "Valls Marti, Artur"]
[Black "Ribas, Alejandro"]
[Result "1/2-1/2"]
[ECO "D73"]
[BlackElo "2180"]
[PlyCount "36"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 g6 2. g3 Bg7 3. Bg2 d5 4. d4 Nf6 5. c4 dxc4 6. a4 0-0 7. Qc2 Nc6 8. Qxc4 Be6 9. Qd3 Nb4 10. Qd2 a5 11. Qd1 Bf5 12. Na3 Be4 13. 0-0 Rc8 14. Bh3 e6 15. Ne5 c5 16. f3 Bc6 17. Nxc6 Rxc6 18. dxc5 Rxc5 1/2-1/2

[Event "WchT U26 09th"]
[Site "Paranana"]
[Date "1993.11.10"]
[Round "8"]
[White "Ribas, Alejandro"]
[Black "Barbery, Alberto"]
[Result "1/2-1/2"]
[ECO "B05"]
[WhiteElo "2190"]
[PlyCount "62"]
[EventDate "1993.11.02"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "PAN"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Uruguay"]
[BlackTeam "Bolivia"]
[WhiteTeamCountry "URU"]
[BlackTeamCountry "BOL"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 g6 6. Ng5 Bxe2 7. Qxe2 e6 8. Qf3 Qd7 9. Ne4 Be7 10. Nbc3 Nxc3 11. bxc3 dxe5 12. dxe5 Nc6 13. Ba3 0-0-0 14. Bxe7 Qxe7 15. Qe3 Qa3 16. 0-0 Qa5 17. f4 Qb6 18. Qxb6 axb6 19. Rad1 h6 20. Kf2 Rxd1 21. Rxd1 Rd8 22. Rxd8+ Kxd8 23. g4 Ke7 24. Nf6 Kf8 25. Ke3 Ne7 26. c4 Ng8 27. Ne4 Ke7 28. h4 Kd7 29. Kd4 Kc6 30. a4 Kd7 31. c5 Kc6 1/2-1/2

[Event "WchT U26 09th"]
[Site "Paranana"]
[Date "1993.11.08"]
[Round "6"]
[White "Parcerias, Pedro"]
[Black "Ribas, Alejandro"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2270"]
[BlackElo "2190"]
[PlyCount "109"]
[EventDate "1993.11.02"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "PAN"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Portugal"]
[BlackTeam "Uruguay"]
[WhiteTeamCountry "POR"]
[BlackTeamCountry "URU"]

1. e4 e6 2. b3 d5 3. Bb2 Nf6 4. exd5 exd5 5. Qe2+ Be6 6. Nf3 Nc6 7. Ng5 Qd7 8. Nxe6 fxe6 9. g3 e5 10. h4 Bd6 11. Na3 0-0 12. Bh3 Qe7 13. Nb5 Ne4 14. Nxd6 Qxd6 15. 0-0 Qc5 16. Kg2 Nd4 17. Bxd4 Qxd4 18. d3 Nc3 19. Qe3 Rae8 20. a4 c5 21. Rae1 e4 22. dxe4 dxe4 23. Bg4 Re5 24. Be2 Rf6 25. Bc4+ Kf8 26. g4 Rf3 27. Qxd4 cxd4 28. Bd3 Rf6 29. f3 exf3+ 30. Kg3 Rxe1 31. Rxe1 h6 32. g5 hxg5 33. hxg5 Rf7 34. Rf1 Ne2+ 35. Bxe2 fxe2 36. Re1 Rc7 37. Rxe2 d3 38. cxd3 Rc3 39. Rd2 Rxb3 40. Kf3 Ra3 41. Ke4 Rxa4+ 42. d4 Ke7 43. Ke5 Ra6 44. d5 Rg6 45. Kf5 Rd6 46. Ke5 b5 47. Rc2 Kd7 48. Rf2 Kc7 49. Rf7+ Rd7 50. g6 b4 51. Ke6 b3 52. Rxd7+ Kb6 53. Rf7 a5 54. d6 b2 55. Rf1 1-0

[Event "WchT U26 09th"]
[Site "Paranana"]
[Date "1993.11.03"]
[Round "2"]
[White "Calcado, Acyr Rogerio"]
[Black "Ribas, Alejandro"]
[Result "1-0"]
[ECO "C19"]
[WhiteElo "2240"]
[BlackElo "2190"]
[PlyCount "75"]
[EventDate "1993.11.02"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "PAN"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Brazil"]
[BlackTeam "Uruguay"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "URU"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. Nf3 c5 6. a3 Bxc3+ 7. bxc3 Qa5 8. Bd2 Nbc6 9. a4 Bd7 10. Bd3 f6 11. exf6 gxf6 12. c4 Qc7 13. cxd5 Nxd5 14. c4 Nf4 15. Bxf4 Qxf4 16. g3 Qc7 17. d5 Ne5 18. 0-0 Nxd3 19. Qxd3 0-0-0 20. Qc3 e5 21. Rfb1 h5 22. Rb3 Kb8 23. Rab1 Bc8 24. Rb5 Ka8 25. a5 a6 26. Rb6 Rd6 27. Qe3 Rxb6 28. Rxb6 Qe7 29. d6 Qf7 30. Qxc5 Bg4 31. Nd2 Rc8 32. Qe3 Be6 33. Qe4 Bxc4 34. d7 Qxd7 35. Nxc4 f5 36. Rxa6+ Kb8 37. Qxe5+ Qc7 38. Rf6 1-0

[Event "Montevideo ITT"]
[Site "Montevideo"]
[Date "1992.??.??"]
[Round "4"]
[White "Adla, Diego Gustavo"]
[Black "Ribas, Alejandro"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "2435"]
[BlackElo "2250"]
[PlyCount "51"]
[EventDate "1992.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. 0-0 Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 Bd7 11. Bg5 Qc5 12. Bxf6 Qxc4 13. b3 Qc3 14. Nxe6 gxf6 15. Nxf8 Rxf8 16. Re1+ Be6 17. Qd6 Qc6 18. Qd4 Rg8 19. g3 Rg6 20. Qh4 0-0-0 21. Qxh7 f5 22. Rad1 Rdg8 23. Rd4 Qxc2 24. Red1 f4 25. Qh4 Qc5 26. Rd8+ 1-0

[Event "Montevideo"]
[Site "Montevideo"]
[Date "1992.??.??"]
[Round "?"]
[White "Arias Bouzada, Jorge"]
[Black "Ribas, Alejandro"]
[Result "1-0"]
[ECO "C56"]
[PlyCount "89"]
[EventDate "1992.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. 0-0 Bc5 6. e5 d5 7. exf6 dxc4 8. Re1+ Be6 9. Ng5 Qd5 10. Nc3 Qf5 11. Nce4 0-0-0 12. g4 Qe5 13. fxg7 Rhg8 14. Nxe6 fxe6 15. Bh6 Bb6 16. Qf3 d3 17. c3 Qd5 18. Qf4 Ne5 19. Nf6 Nf3+ 20. Kh1 Qc6 21. Re4 Nh4 22. Nxg8 Ng6 23. f3 d2 24. Rd1 Qa4 25. b3 Qxa2 26. Qg3 Qc2 27. Rxd2 Rxd2 28. Bxd2 Qxd2 29. Rxe6 Bf2 30. Re8+ Kd7 31. Nf6+ Kc6 32. Re6+ Kb5 33. Re5+ Ka6 34. Ra5+ Kxa5 35. Qxc7+ Bb6 36. b4+ Ka4 37. Qd7+ Qxd7 38. Nxd7 Ne7 39. Nxb6+ axb6 40. f4 Kb3 41. f5 Kxc3 42. f6 Kd2 43. fxe7 c3 44. e8Q c2 45. Qc8 1-0

[Event "Montevideo ITT"]
[Site "Montevideo"]
[Date "1992.??.??"]
[Round "6"]
[White "Bauza, Alejandro"]
[Black "Ribas, Alejandro"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2265"]
[PlyCount "119"]
[EventDate "1992.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. d4 cxd4 4. Nxd4 d5 5. Bg2 Nf6 6. 0-0 e6 7. Nc3 Be7 8. Nb3 b6 9. e4 dxe4 10. Nxe4 Bb7 11. Bf4 Nd5 12. Bd2 Ba6 13. Re1 Rc8 14. Nc3 Nf6 15. a4 Bc4 16. Nc1 Nb4 17. b3 Ba6 18. N1a2 0-0 19. Nxb4 Bxb4 20. Ne4 Bxd2 21. Nxd2 Qc7 22. c4 Rfd8 23. Qc2 Bb7 24. Nf3 Rd6 25. Ne5 Bxg2 26. Kxg2 Rcd8 27. Ra2 Qc5 28. Qc3 a5 29. Qf3 Qc7 30. Re3 Ne8 31. Rae2 f6 32. c5 Qxc5 33. Nc4 Nc7 34. Nxd6 Qxd6 35. Qe4 g6 36. Rc2 Kf7 37. Rc6 Qd7 38. Qc4 Nd5 39. Rexe6 Qxe6 40. Rxe6 Kxe6 41. Kf3 f5 42. h4 Kd6 43. Qc1 h5 44. Qg5 Rg8 45. Ke2 Re8+ 46. Kd3 Re6 47. f3 Ne7 48. Qf4+ Kd7 49. Kc4 Rc6+ 50. Kb5 Rd6 51. Ka6 Rc6 52. Kb7 Rd6 53. Qe5 Nd5 54. Qh8 Ne7 55. Qc3 Rc6 56. Qe5 Rd6 57. Qb5+ Rc6 58. f4 Kd6 59. Qe5+ Kd7 60. Qxe7+ 1-0

[Event "Montevideo ITT"]
[Site "Montevideo"]
[Date "1992.??.??"]
[Round "8"]
[White "Bertona, Fernando"]
[Black "Ribas, Alejandro"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2325"]
[PlyCount "59"]
[EventDate "1992.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 b6 6. Ne2 Ba6 7. Bxa6 Nxa6 8. 0-0 c5 9. c3 b5 10. f4 g6 11. Nf3 Qb6 12. g4 c4 13. Ng3 Bg7 14. Kh1 0-0-0 15. f5 f6 16. g5 fxe5 17. f6 Bf8 18. dxe5 Nac5 19. Be3 Qb8 20. Bxc5 Bxc5 21. Qe2 Bb6 22. b4 h6 23. Rfe1 Rde8 24. Rad1 Kb7 25. Qd2 Rh7 26. Kg2 Reh8 27. h4 h5 28. Ne2 Rg8 29. Nf4 Nf8 30. Nxe6 1-0

[Event "Montevideo ITT"]
[Site "Montevideo"]
[Date "1992.??.??"]
[Round "1"]
[White "Del Rey, Diego"]
[Black "Ribas, Alejandro"]
[Result "1-0"]
[ECO "A71"]
[WhiteElo "2270"]
[PlyCount "104"]
[EventDate "1992.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Bg5 h6 9. Bh4 g5 10. Bg3 Nh5 11. Bb5+ Kf8 12. e5 Nxg3 13. hxg3 dxe5 14. Qd2 a6 15. Ba4 Bg4 16. Qe3 b5 17. Qxc5+ Qe7 18. d6 Qd8 19. Bb3 Nd7 20. Qe3 Bf5 21. 0-0 Qb6 22. Rad1 Rd8 23. Qe2 Nc5 24. Bc2 Bxc2 25. Qxc2 Rxd6 26. Nd5 Qc6 27. Nb4 Qb6 28. Rxd6 Qxd6 29. Rd1 Qc7 30. Nd5 Qa7 31. Rc1 e4 32. Qxc5+ Qxc5 33. Rxc5 Bxb2 34. Rc8+ Kg7 35. Rxh8 Kxh8 36. Nd2 f5 37. Ne7 e3 38. fxe3 Bc1 39. Nf1 f4 40. gxf4 gxf4 41. Ng6+ Kg7 42. Nxf4 a5 43. Kf2 b4 44. Nd5 Kf7 45. e4 Ke6 46. Nfe3 Ke5 47. Kf3 Kd4 48. Nc2+ Kc4 49. Ke2 Bg5 50. Kf3 Kc5 51. Kg4 Bd2 52. Kf5 Kd6 1-0

[Event "Montevideo ITT"]
[Site "Montevideo"]
[Date "1992.??.??"]
[Round "2"]
[White "Llanos, Guillermo"]
[Black "Ribas, Alejandro"]
[Result "1-0"]
[ECO "E99"]
[WhiteElo "2355"]
[PlyCount "82"]
[EventDate "1992.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5 11. Bd2 Nf6 12. f3 Kh8 13. c5 Neg8 14. cxd6 cxd6 15. Rc1 f4 16. Nf2 h5 17. Nb5 Ne8 18. a4 Nh6 19. Rc3 Rf7 20. Qb3 g5 21. h3 Bf6 22. Rfc1 a6 23. Na3 g4 24. fxg4 hxg4 25. Nxg4 Nxg4 26. Bxg4 Bxg4 27. hxg4 Bh4 28. Rh3 Kg8 29. Qf3 Rg7 30. a5 Bg3 31. Nc4 Rc8 32. b3 Nf6 33. Kf1 Qd7 34. Ke2 Qb5 35. Rch1 Kf7 36. Rxg3 fxg3 37. g5 Rg6 38. gxf6 Rxc4 39. bxc4 Qxc4+ 40. Qd3 Qxd3+ 41. Kxd3 Rxf6 1-0

[Event "Montevideo ITT"]
[Site "Montevideo"]
[Date "1992.??.??"]
[Round "3"]
[White "Ribas, Alejandro"]
[Black "Olazarri, Marcelo"]
[Result "1/2-1/2"]
[ECO "B32"]
[PlyCount "35"]
[EventDate "1992.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be7 7. Be2 a6 8. N5a3 Bg5 9. Bxg5 Qxg5 10. 0-0 Bh3 11. Bf3 Rd8 12. Nc3 Nf6 13. Nd5 Nxd5 14. exd5 Nd4 15. Nc2 Nxf3+ 16. Qxf3 Bd7 17. b4 Rc8 18. Na3 1/2-1/2

[Event "Montevideo ITT"]
[Site "Montevideo"]
[Date "1992.??.??"]
[Round "11"]
[White "Ribas, Alejandro"]
[Black "Playa, Marcelo"]
[Result "0-1"]
[ECO "C01"]
[BlackElo "2390"]
[PlyCount "108"]
[EventDate "1992.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 Bg4 6. 0-0 Be7 7. Re1 Nc6 8. c3 0-0 9. Bg5 Re8 10. Nbd2 h6 11. Bh4 Nh5 12. Bg3 Nxg3 13. hxg3 Qd7 14. Qc2 Bf6 15. Nh2 Be6 16. Ndf1 Ne7 17. Ne3 c5 18. dxc5 Rac8 19. Nf3 Rxc5 20. Rad1 Nc6 21. Nf5 b5 22. Qd2 Bxf5 23. Rxe8+ Qxe8 24. Bxf5 d4 25. Bc2 dxc3 26. bxc3 Rxc3 27. Bb3 a5 28. Qd7 Qxd7 29. Rxd7 a4 30. Bxf7+ Kf8 31. Be6 b4 32. Rf7+ Ke8 33. Rb7 b3 34. axb3 a3 35. b4 Rc2 36. b5 Nd8 37. Rb8 a2 38. Bxa2 Rxa2 39. Nh4 Kd7 40. Rb6 Kc7 41. Ra6 Rxa6 42. bxa6 Kb6 43. Nf5 Kxa6 44. g4 Kb6 45. f4 Ne6 46. g3 Nd4 47. Nxg7 Bxg7 48. g5 Nf3+ 49. Kg2 Nxg5 50. g4 Be5 51. fxe5 Kc6 52. Kg3 Kd5 53. Kh4 Kxe5 54. Kh5 Nf7 0-1

[Event "Montevideo ITT"]
[Site "Montevideo"]
[Date "1992.??.??"]
[Round "9"]
[White "Ribas, Alejandro"]
[Black "Rivera Kuzawka, Daniel"]
[Result "0-1"]
[ECO "B63"]
[WhiteElo "2250"]
[BlackElo "2290"]
[PlyCount "56"]
[EventDate "1992.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. 0-0-0 0-0 9. Nb3 a6 10. h4 b5 11. Bxf6 gxf6 12. f4 Kh8 13. g4 Rg8 14. g5 Bb7 15. Qe3 Qc7 16. Kb1 b4 17. Na4 Rab8 18. Nb6 Na7 19. Rh2 Nb5 20. gxf6 Bxf6 21. Nc4 Bxe4 22. Qxe4 d5 23. Qe2 dxc4 24. Qxc4 Rbd8 25. Rxd8 Rxd8 26. Qxb4 Rd1+ 27. Nc1 Be7 28. Qc4 Na3+ 0-1

[Event "Montevideo ITT"]
[Site "Montevideo"]
[Date "1992.??.??"]
[Round "5"]
[White "Ribas, Alejandro"]
[Black "Rodriguez, A."]
[Result "1-0"]
[ECO "E87"]
[WhiteElo "2250"]
[BlackElo "2315"]
[PlyCount "101"]
[EventDate "1992.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. f3 d6 6. Be3 e5 7. d5 Nh5 8. Qd2 f5 9. exf5 gxf5 10. 0-0-0 a5 11. Nge2 a4 12. a3 Qe8 13. f4 Nd7 14. fxe5 Bxe5 15. Kb1 f4 16. Bd4 Ndf6 17. Nb5 Bf5+ 18. Ka2 Qg6 19. Nec3 c6 20. dxc6 bxc6 21. Bxe5 dxe5 22. Nd6 e4 23. c5 Be6+ 24. Bc4 Bxc4+ 25. Nxc4 Qf5 26. Qd4 Rfd8 27. Nd6 Qe6+ 28. Ka1 Ng7 29. Ncxe4 Nxe4 30. Rhe1 Nxd6 31. Rxe6 Nxe6 32. Qf6 Nf7 33. Re1 Nxc5 34. Re7 Rf8 35. Qxf4 Nb3+ 36. Ka2 Ra5 37. h4 Ne5 38. Qh6 Nf7 39. Qxc6 Kg7 40. h5 Rxh5 41. Qxa4 Nc1+ 42. Kb1 Rh1 43. Qg4+ Kh8 44. Kc2 h5 45. Qf5 Kg7 46. Re3 Nh6 47. Re7+ Nf7 48. b4 Rg1 49. Qg5+ Kh7 50. Qxh5+ Kg7 51. Qg4+ 1-0

[Event "Montevideo ITT"]
[Site "Montevideo"]
[Date "1992.??.??"]
[Round "10"]
[White "Roselli Mailhe, Bernardo"]
[Black "Ribas, Alejandro"]
[Result "1-0"]
[ECO "C19"]
[WhiteElo "2350"]
[PlyCount "95"]
[EventDate "1992.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. Nf3 Qa5 8. Bd2 Bd7 9. a4 Nbc6 10. Bb5 Qc7 11. 0-0 Na5 12. Rb1 Bxb5 13. Rxb5 cxd4 14. cxd4 Nc4 15. Bc1 Nc6 16. Bg5 h6 17. Bh4 b6 18. Ne1 g5 19. Bg3 Ne7 20. Qd3 Nf5 21. f3 0-0-0 22. Bf2 h5 23. g3 Rdg8 24. Ng2 Qc6 25. Rfb1 g4 26. f4 a6 27. R5b4 Kc7 28. Nh4 Nxh4 29. gxh4 Rb8 30. f5 a5 31. Rb5 Qd7 32. Bg3 Qe7 33. Rf1 Rbf8 34. Rbb1 Kd7 35. Rf2 exf5 36. Qxf5+ Qe6 37. Qg5 Rfg8 38. Qf4 Rh7 39. Rbf1 Rg6 40. Qc1 Qc6 41. Rxf7+ Rxf7 42. Rxf7+ Ke8 43. Qf4 Qe6 44. Rf8+ Ke7 45. Rh8 Rg8 46. Rh7+ Ke8 47. Rh6 Qd7 48. e6 1-0

[Event "Buenos Aires TB V"]
[Site "Buenos Aires"]
[Date "1991.??.??"]
[Round "?"]
[White "Aguilar, Juan"]
[Black "Ribas, Alejandro"]
[Result "1-0"]
[ECO "C17"]
[WhiteElo "2265"]
[PlyCount "115"]
[EventDate "1991.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. Bd2 c5 6. Nb5 Bxd2+ 7. Qxd2 0-0 8. dxc5 Nd7 9. f4 Nxc5 10. Nd4 Bd7 11. Ngf3 Qb6 12. 0-0-0 Rac8 13. Qe3 Nc6 14. Kb1 Na5 15. Nb3 Bb5 16. Bxb5 Qxb5 17. f5 Ne4 18. f6 Nxb3 19. axb3 Qc5 20. Qc1 gxf6 21. exf6 Kh8 22. Rd3 Rg8 23. g3 Nxf6 24. Ng5 Rxg5 25. Rc3 Rf5 26. Rxc5 Rxc5 27. Rf1 d4 28. Rf4 Rcd5 29. Qd2 Rxf4 30. gxf4 Kg7 31. Qg2+ Kf8 32. Qd2 Kg7 33. Qb4 Rd7 34. Qa5 Nd5 35. Qa4 Nf6 36. Qxa7 Kg6 37. Qa5 h6 38. Qb5 Kg7 39. b4 Kf8 40. f5 Re7 41. Qe5 Kg7 42. Qxd4 e5 43. Qc5 Re8 44. Qg1+ Kh7 45. Qb6 Kg7 46. Qxb7 e4 47. Kc1 e3 48. Kd1 Rd8+ 49. Ke2 Rd2+ 50. Kxe3 Rxc2 51. b3 Rb2 52. Kd3 Rxb3+ 53. Kc4 Rb2 54. Qf3 Rd2 55. b5 Kh7 56. Qc3 Rd6 57. Qe5 Rb6 58. Qc7 1-0

[Event "Buenos Aires TB IV"]
[Site "Buenos Aires"]
[Date "1991.??.??"]
[Round "?"]
[White "Bertona, Fernando"]
[Black "Ribas, Alejandro"]
[Result "1-0"]
[ECO "C17"]
[WhiteElo "2275"]
[PlyCount "75"]
[EventDate "1991.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. Bd2 c5 6. Nb5 Bxd2+ 7. Qxd2 0-0 8. f4 Nbc6 9. dxc5 b6 10. cxb6 Qxb6 11. c3 Rb8 12. b3 f6 13. exf6 Rxf6 14. Nf3 Ng6 15. g3 e5 16. Nxe5 Ngxe5 17. fxe5 Rxf1+ 18. Rxf1 Qxb5 19. c4 Qb6 20. 0-0-0 Bb7 21. cxd5 Rd8 22. d6 Qc5+ 23. Kb2 Nxe5 24. Qd4 Qb5 25. Rf5 Rxd6 26. Rxe5 Rxd4 27. Rxb5 Rxd1 28. Rxb7 Rd2+ 29. Kb1 Rxh2 30. Rxa7 Rg2 31. b4 Rxg3 32. b5 h5 33. Ra4 Rg5 34. Rb4 Re5 35. b6 Re8 36. a4 g5 37. b7 Rb8 38. a5 1-0

[Event "Pan American-ch U20"]
[Site "Bariloche"]
[Date "1991.??.??"]
[Round "2"]
[White "Estrada Nieto, Julian"]
[Black "Ribas, Alejandro"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2260"]
[PlyCount "63"]
[EventDate "1991.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[EventCategory "1"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. 0-0 Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Qxd4 Bd7 11. Bf4 Qxd4 12. Nxd4 Rc8 13. Bb3 Bc5 14. Nf3 Ke7 15. Ne5 Rhd8 16. Rfd1 Ne4 17. Nd3 Bb6 18. Re1 Bc6 19. Kf1 g5 20. Bc1 g4 21. Ne5 Nxf2 22. Bg5+ f6 23. Bxe6 fxg5 24. Bxc8 Rxc8 25. Nxc6+ Kd6 26. Nb4 a5 27. Nd3 Nxd3 28. cxd3 Rf8+ 29. Ke2 Rf2+ 30. Kd1 Rxg2 31. Re2 Rg1+ 32. Re1 1/2-1/2

[Event "Buenos Aires TB IV"]
[Site "Buenos Aires"]
[Date "1991.??.??"]
[Round "?"]
[White "Fraschini, Mariano"]
[Black "Ribas, Alejandro"]
[Result "1/2-1/2"]
[ECO "B56"]
[WhiteElo "2350"]
[PlyCount "62"]
[EventDate "1991.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Bb5+ Nbd7 7. Nf5 a6 8. Bxd7+ Qxd7 9. Bg5 Nxe4 10. Nxg7+ Bxg7 11. Nxe4 0-0 12. Nf6+ Bxf6 13. Bxf6 Qf5 14. Qf3 Qg6 15. Qg3 Re8 16. 0-0-0 Re6 17. Qxg6+ hxg6 18. Bg5 Bd7 19. f3 Bc6 20. h4 Kg7 21. Bd2 Rc8 22. h5 gxh5 23. Rxh5 Rh8 24. Rxh8 Kxh8 25. Bb4 d5 26. Bc3 d4 27. Bb4 Rg6 28. Rd2 Kg7 29. Kd1 f5 30. Ke1 e4 31. fxe4 Bxe4 1/2-1/2

[Event "Pan American-ch U20"]
[Site "Bariloche"]
[Date "1991.??.??"]
[Round "13"]
[White "Hernandez, Gustavo"]
[Black "Ribas, Alejandro"]
[Result "1/2-1/2"]
[ECO "E42"]
[WhiteElo "2345"]
[PlyCount "58"]
[EventDate "1991.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[EventCategory "1"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nge2 cxd4 6. exd4 d5 7. c5 Ne4 8. Bd2 Nxd2 9. Qxd2 Qd7 10. a3 Ba5 11. Nf4 0-0 12. b4 Bd8 13. Bd3 b6 14. 0-0 bxc5 15. bxc5 Bb7 16. Bb5 Bc6 17. Rab1 Ba5 18. Be2 e5 19. Nh5 f6 20. Qd3 exd4 21. Qxd4 Bxc3 22. Qxc3 d4 23. Qc4+ Kh8 24. Rbd1 Rd8 25. Nf4 Be4 26. Bd3 Bxd3 27. Rxd3 Nc6 28. Re1 Re8 29. Qd5 Rad8 1/2-1/2

[Event "Buenos Aires TB V"]
[Site "Buenos Aires"]
[Date "1991.??.??"]
[Round "?"]
[White "Kropff, Ricardo"]
[Black "Ribas, Alejandro"]
[Result "0-1"]
[ECO "C15"]
[WhiteElo "2345"]
[PlyCount "114"]
[EventDate "1991.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 dxe4 6. Qg4 Nf6 7. Qxg7 Rg8 8. Qh6 b6 9. g3 Bb7 10. Bg2 Nbd7 11. Ne2 Qe7 12. 0-0 0-0-0 13. a4 Ng4 14. Qf4 e5 15. dxe5 Qxe5 16. h3 Qxf4 17. Bxf4 Nge5 18. Nd4 Ng6 19. Be3 Rge8 20. h4 a5 21. Bh3 Kb8 22. h5 Nge5 23. Bg5 f6 24. Bf4 Nf3+ 25. Nxf3 exf3 26. Bf5 Be4 27. Bxe4 Rxe4 28. Rad1 Kc8 29. Rd3 Ne5 30. Bxe5 Rxd3 31. cxd3 Rxe5 32. d4 Rxh5 33. c4 Rg5 34. Rd1 Rg4 35. Rd3 f5 36. Kf1 Re4 37. Rxf3 Rxd4 38. Rc3 Kd7 39. Ke2 Ke6 40. Rf3 Ke5 41. Rc3 h5 42. Re3+ Re4 43. Kd3 Rxe3+ 44. Kxe3 c6 45. f4+ Ke6 46. Kd4 Kd6 47. c5+ bxc5+ 48. Kc4 Kd7 49. Kxc5 Kc7 50. Kd4 Kd6 51. Kc4 c5 52. Kb5 Kd5 53. Kxa5 c4 54. Kb4 Kd4 55. a5 c3 56. Kb3 Kd3 57. a6 c2 0-1

[Event "Buenos Aires TB V"]
[Site "Buenos Aires"]
[Date "1991.??.??"]
[Round "?"]
[White "Menendez, Daniel"]
[Black "Ribas, Alejandro"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2290"]
[PlyCount "34"]
[EventDate "1991.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. g3 c5 2. Bg2 Nc6 3. d3 g6 4. f4 Bg7 5. Nf3 e6 6. 0-0 Nge7 7. e4 0-0 8. c3 d5 9. a3 b6 10. Qc2 Ba6 11. e5 f6 12. exf6 Bxf6 13. Nbd2 Qc7 14. Re1 e5 15. fxe5 Nxe5 16. Nxe5 Bxe5 17. Nf3 Bd6 1-0

[Event "Pan American-ch U20"]
[Site "Bariloche"]
[Date "1991.??.??"]
[Round "4"]
[White "Minero Pineda, Sergio"]
[Black "Ribas, Alejandro"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "2360"]
[PlyCount "53"]
[EventDate "1991.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[EventCategory "1"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 d5 6. Bg2 e5 7. Nf3 d4 8. 0-0 Nc6 9. e3 Bc5 10. exd4 exd4 11. Re1+ Be6 12. Ng5 0-0 13. Nxe6 fxe6 14. Nd2 Qd6 15. a3 d3 16. Nb3 Ng4 17. Rxe6 Nxf2 18. Nxc5 Qxc5 19. Be3 Qxc4 20. Qh5 Rad8 21. Rxc6 bxc6 22. Bxf2 Rxf2 23. Kxf2 Qd4+ 24. Kf1 Rf8+ 25. Bf3 g6 26. Qg5 Rxf3+ 27. Kg2 0-1

[Event "Pan American-ch U20"]
[Site "Bariloche"]
[Date "1991.??.??"]
[Round "6"]
[White "Playa, Marcelo"]
[Black "Ribas, Alejandro"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2295"]
[PlyCount "75"]
[EventDate "1991.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[EventCategory "1"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. Qg4 c5 6. a3 Bxc3+ 7. bxc3 Qc7 8. Bd3 cxd4 9. Ne2 dxc3 10. Qxg7 Rg8 11. Qxh7 Nbc6 12. Bf4 Bd7 13. 0-0 0-0-0 14. Bg3 Nxe5 15. Rfe1 N7c6 16. Nxc3 a6 17. Na2 f5 18. Qh6 Rdf8 19. Kh1 Ng4 20. Bxc7 Nxh6 21. Bd6 Rf6 22. Nb4 Nf7 23. Bf4 Ne7 24. Rab1 Ng6 25. Be3 Ne7 26. c4 dxc4 27. Bxc4 Rfg6 28. g3 Nc6 29. Rec1 Nxb4 30. Bxe6+ Nc6 31. Bxf7 Be6 32. Bxg6 Bd5+ 33. Kg1 Rxg6 34. h4 b5 35. Rc5 Be4 36. Rbc1 Kd7 37. h5 Rg8 38. h6 1-0

[Event "Pan American-ch U20"]
[Site "Bariloche"]
[Date "1991.??.??"]
[Round "1"]
[White "Ribas, Alejandro"]
[Black "Figari, Esteban"]
[Result "1/2-1/2"]
[ECO "B70"]
[PlyCount "59"]
[EventDate "1991.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[EventCategory "1"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. g3 Bg7 7. Bg2 0-0 8. 0-0 Nc6 9. Nde2 Bd7 10. h3 a6 11. a4 Rc8 12. Nd5 Nxd5 13. exd5 Ne5 14. Ra2 e6 15. Nf4 exd5 16. Nxd5 Bc6 17. b3 Re8 18. a5 Nd7 19. Re1 Rxe1+ 20. Qxe1 Bxd5 21. Bxd5 Rc7 22. c4 Nf6 23. Re2 Qd7 24. Bf4 Nxd5 25. Re8+ Bf8 26. Bh6 Rc8 27. Rxc8 Qxc8 28. Bxf8 Kxf8 29. cxd5 Qc5 30. Qd2 1/2-1/2

[Event "Pan American-ch U20"]
[Site "Bariloche"]
[Date "1991.??.??"]
[Round "3"]
[White "Ribas, Alejandro"]
[Black "Moreno, Alberto"]
[Result "1/2-1/2"]
[ECO "A49"]
[BlackElo "2235"]
[PlyCount "75"]
[EventDate "1991.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[EventCategory "1"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 d6 5. Bg2 0-0 6. d4 Nbd7 7. 0-0 e5 8. dxe5 Ng4 9. h3 Ngxe5 10. Qc1 Nxf3+ 11. Bxf3 f5 12. Bxg7 Kxg7 13. Qb2+ Qf6 14. Qxf6+ Nxf6 15. c4 c6 16. Nc3 Be6 17. Kg2 Rad8 18. Rad1 d5 19. cxd5 Nxd5 20. Bxd5 Bxd5+ 21. Nxd5 Rxd5 22. Rxd5 cxd5 23. Rc1 Rf7 24. Kf3 Kf6 25. Ke3 Ke5 26. Rc8 Kd6 27. Kd4 Re7 28. e3 Re4+ 29. Kd3 Re7 30. Kd4 Re4+ 31. Kd3 Re7 32. h4 Rc7 33. Rxc7 Kxc7 34. Kd4 Kd6 35. b4 b6 36. f3 h6 37. a3 b5 38. Kc3 1/2-1/2

[Event "Buenos Aires TB V"]
[Site "Buenos Aires"]
[Date "1991.??.??"]
[Round "?"]
[White "Ribas, Alejandro"]
[Black "Playa, Marcelo"]
[Result "1/2-1/2"]
[ECO "C18"]
[BlackElo "2295"]
[PlyCount "202"]
[EventDate "1991.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. Qg4 Qc7 8. Bd3 cxd4 9. Ne2 Nbc6 10. cxd4 Bd7 11. Qxg7 Rg8 12. Qf6 0-0-0 13. 0-0 Ng6 14. Rb1 Rde8 15. h4 Qd8 16. Bg5 Qxf6 17. Bxf6 h5 18. Rb3 Nce7 19. Rfb1 Bc6 20. Kf1 a6 21. a4 Kc7 22. Ra1 Nc8 23. a5 Na7 24. g3 Nb5 25. Ke1 Kd7 26. Kd2 Rb8 27. Bg5 b6 28. axb6 Rxb6 29. Nc3 Rb7 30. Bxb5 axb5 31. Rab1 Rgb8 32. Na2 Ra8 33. Nb4 Rb6 34. Kc1 Ne7 35. Bxe7 Kxe7 36. Kb2 Be8 37. Ra1 Rxa1 38. Kxa1 f6 39. exf6+ Kxf6 40. Kb2 Bg6 41. Rf3+ Ke7 42. Re3 Kd6 43. Re5 Rb8 44. Rg5 Bf7 45. Nd3 Be8 46. Rg8 Ke7 47. Nf4 Rc8 48. c3 b4 49. cxb4 Rc4 50. Rg5 Rxd4 51. Kc3 Re4 52. Nxh5 Re2 53. Nf4 Rxf2 54. Re5 Bf7 55. Re3 Kd6 56. Nd3 Rg2 57. Ne5 Bg8 58. Kd4 Rd2+ 59. Kc3 Rd1 60. Rd3 Rc1+ 61. Kb2 Rh1 62. Nc4+ Ke7 63. Ne5 Bh7 64. Rc3 Be4 65. Nd3 Kd6 66. Nc5 Bf5 67. Rc1 Rh2+ 68. Ka3 Rg2 69. Rc3 d4 70. Rf3 Bg4 71. Rb3 e5 72. Ne4+ Kc6 73. b5+ Kb6 74. Kb4 Bd1 75. Ra3 Rb2+ 76. Kc4 Be2+ 77. Kd5 Rxb5+ 78. Kd6 Rb1 79. Kxe5 d3 80. Ra2 Rc1 81. Rd2 Kb5 82. Kd4 Rc4+ 83. Ke3 Rc7 84. Rxe2 dxe2 85. Kxe2 Kc4 86. Kf3 Kd4 87. Ng5 Ke5 88. Kg4 Rc4+ 89. Kh5 Kf5 90. Nf7 Kf6 91. Ng5 Kf5 92. Nh7 Rg4 93. Ng5 Rxg3 94. Kh6 Kg4 95. h5 Ra3 96. Nh7 Ra6+ 97. Kg7 Kxh5 98. Nf6+ Kg5 99. Nh7+ Kf5 100. Nf8 Ra7+ 101. Kg8 Kf6 1/2-1/2

[Event "Pan American-ch U20"]
[Site "Bariloche"]
[Date "1991.??.??"]
[Round "10"]
[White "Ribas, Alejandro"]
[Black "Rojas Keim, Luis Alberto"]
[Result "0-1"]
[ECO "C18"]
[PlyCount "60"]
[EventDate "1991.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[EventCategory "1"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. b4 cxd4 7. Qg4 Ne7 8. Nb5 Bc7 9. Qxg7 Rg8 10. Qxh7 a6 11. Nxc7+ Qxc7 12. Ne2 Qxe5 13. Bb2 Nbc6 14. Qd3 Qf6 15. f4 Nf5 16. 0-0-0 Bd7 17. g3 e5 18. fxe5 Nxe5 19. Qb3 d3 20. Nf4 d4 21. Bxd3 Bc6 22. Rhe1 0-0-0 23. Be4 Rge8 24. Bxc6 Nxc6 25. b5 axb5 26. Rxe8 Rxe8 27. Qxb5 Re5 28. Qb6 Qe7 29. Kb1 Ne3 30. Rc1 Nc4 0-1

[Event "Pan American-ch U20"]
[Site "Bariloche"]
[Date "1991.??.??"]
[Round "5"]
[White "Ribas, Alejandro"]
[Black "Scarella, Enrique Alejandro"]
[Result "0-1"]
[ECO "B38"]
[BlackElo "2245"]
[PlyCount "50"]
[EventDate "1991.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[EventCategory "1"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 d6 8. Be2 0-0 9. 0-0 Bd7 10. Rc1 Nxd4 11. Bxd4 Bc6 12. f3 Bh6 13. Rc2 Nh5 14. g3 e5 15. Bf2 f5 16. exf5 gxf5 17. f4 Nf6 18. Be3 exf4 19. gxf4 Qe7 20. Kf2 Rae8 21. Qd4 Bg7 22. Qd2 Ng4+ 23. Bxg4 Qh4+ 24. Kg1 Qxg4+ 25. Kf2 Qf3+ 0-1

[Event "Pan American-ch U20"]
[Site "Bariloche"]
[Date "1991.??.??"]
[Round "12"]
[White "Ribas, Alejandro"]
[Black "Sequera Paolini, Jose Rafael"]
[Result "1/2-1/2"]
[ECO "C01"]
[BlackElo "2285"]
[PlyCount "83"]
[EventDate "1991.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[EventCategory "1"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. c4 c6 6. Nc3 Nf6 7. Bg5 0-0 8. cxd5 cxd5 9. Nxd5 Qa5+ 10. Nc3 Ne4 11. Bd2 Nxd2 12. Qxd2 Bg4 13. Be2 Nc6 14. 0-0 Rad8 15. Rad1 Bxf3 16. Bxf3 Nxd4 17. Bd5 Be5 18. Rfe1 Bf6 19. Bxb7 Nf3+ 20. Bxf3 Rxd2 21. Rxd2 Bxc3 22. bxc3 Qxc3 23. Red1 Qa5 24. Bd5 Re8 25. g3 g6 26. Bb3 Re7 27. h4 Kg7 28. Rd7 Qa3 29. R1d4 Qc1+ 30. Rd1 Qc5 31. Rxe7 Qxe7 32. Rd4 h5 33. Rf4 f6 34. Ra4 Qc5 35. Rc4 Qe5 36. Ra4 a5 37. Rc4 Kf8 38. Ra4 Ke7 39. Rc4 Kd6 40. Kg2 Qb5 41. Kg1 Ke5 42. Ra4 1/2-1/2

[Event "Pan American-ch U20"]
[Site "Bariloche"]
[Date "1991.??.??"]
[Round "14"]
[White "Ribas, Alejandro"]
[Black "Vescovi, Giovanni P"]
[Result "1-0"]
[ECO "B76"]
[BlackElo "2260"]
[PlyCount "63"]
[EventDate "1991.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[EventCategory "1"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. g4 Bxg4 10. fxg4 Nxg4 11. Nb3 Rc8 12. 0-0-0 Na5 13. Nd5 Nc4 14. Bxc4 Rxc4 15. Qg2 Nxe3 16. Nxe3 Rc6 17. Kb1 e6 18. Rhf1 h5 19. Rd3 Qb6 20. c3 Rfc8 21. Nc2 R6c7 22. Rfd1 Rd7 23. Qd2 Rcd8 24. Nbd4 a6 25. Nf3 Qc6 26. e5 d5 27. Ncd4 Qc7 28. Qg5 b5 29. Nxe6 fxe6 30. Qxg6 Re7 31. Ng5 Qxe5 32. Rf1 1-0

[Event "Buenos Aires TB IV"]
[Site "Buenos Aires"]
[Date "1991.??.??"]
[Round "?"]
[White "Ribas, Alejandro"]
[Black "Watanabe, Roberto Tadashi"]
[Result "0-1"]
[ECO "B40"]
[BlackElo "2275"]
[PlyCount "66"]
[EventDate "1991.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Nxc6 bxc6 7. 0-0 d5 8. Nd2 Be7 9. Qe2 0-0 10. c4 a5 11. Re1 a4 12. cxd5 cxd5 13. e5 Nd7 14. Nf3 Nc5 15. Bc2 d4 16. Qc4 d3 17. Bd1 Ba6 18. Qg4 f5 19. exf6 Rxf6 20. Bg5 Rg6 21. Bxe7 Rxg4 22. Bxd8 Rxd8 23. Rc1 Rc4 24. Rxc4 Bxc4 25. Re5 Bd5 26. Nd2 Rb8 27. b3 axb3 28. axb3 Bxb3 29. Nxb3 Nxb3 30. Rxe6 Nc5 31. Re1 Rb1 32. f3 Na4 33. Kf2 Nc3 0-1

[Event "Buenos Aires TB IV"]
[Site "Buenos Aires"]
[Date "1991.??.??"]
[Round "?"]
[White "Ribas, Alejandro"]
[Black "Zarnicki, Pablo Adrian"]
[Result "0-1"]
[ECO "B07"]
[BlackElo "2390"]
[PlyCount "42"]
[EventDate "1991.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. h4 Nc6 6. h5 gxh5 7. Bb5 a6 8. Bxc6+ bxc6 9. Nge2 Qd7 10. f3 Rg8 11. Ng3 c5 12. dxc5 Qc6 13. cxd6 cxd6 14. Be3 Rb8 15. Rb1 Rxb2 16. Bd4 Rxb1 17. Nxb1 Qb5 18. Kf2 Qc4 19. e5 dxe5 20. Be3 h4 21. Ne2 Nd5 0-1

[Event "Pan American-ch U20"]
[Site "Bariloche"]
[Date "1991.??.??"]
[Round "8"]
[White "Salguero, Francisco"]
[Black "Ribas, Alejandro"]
[Result "1-0"]
[ECO "A33"]
[PlyCount "93"]
[EventDate "1991.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[EventCategory "1"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 c5 4. d4 cxd4 5. Nxd4 Nc6 6. Ndb5 d5 7. Bf4 e5 8. cxd5 exf4 9. dxc6 bxc6 10. Qxd8+ Kxd8 11. Nd4 Bd7 12. g3 fxg3 13. hxg3 Bb4 14. Bg2 Nd5 15. Bxd5 cxd5 16. Kd2 Rc8 17. Rac1 h5 18. f4 Ke7 19. a3 Bxc3+ 20. Rxc3 Rxc3 21. Kxc3 f6 22. f5 Kd6 23. Rh4 Rc8+ 24. Kd3 Be8 25. g4 g5 26. fxg6 Bxg6+ 27. Kd2 hxg4 28. Rxg4 Be4 29. Rg7 a5 30. Ra7 Rc5 31. Ra6+ Ke7 32. e3 f5 33. Ra7+ Kf6 34. Ra6+ Ke7 35. Ra7+ Kf6 36. b3 Kg6 37. Ra6+ Kh5 38. a4 Kh4 39. Rc6 Rxc6 40. Nxc6 Kg3 41. Nxa5 d4 42. exd4 f4 43. Nc4 f3 44. Ne3 Bc6 45. d5 Bd7 46. a5 Kf4 47. a6 1-0

[Event "Pan American-ch U20"]
[Site "Bariloche"]
[Date "1991.??.??"]
[Round "15"]
[White "Silva Lillo, Sebastian"]
[Black "Ribas, Alejandro"]
[Result "1/2-1/2"]
[ECO "A61"]
[WhiteElo "2355"]
[PlyCount "53"]
[EventDate "1991.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[EventCategory "1"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. d4 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bf4 Bg7 8. Qa4+ Bd7 9. Qb3 b5 10. Bxd6 Qb6 11. Bg3 0-0 12. e3 c4 13. Qd1 Na6 14. Be2 Nc5 15. 0-0 Rac8 16. Ne5 Bf5 17. a4 a6 18. Nc6 Rfe8 19. axb5 axb5 20. Na7 b4 21. Nxc8 Rxc8 22. Na4 Nxa4 23. Qxa4 Nxd5 24. Rfd1 c3 25. Rxd5 cxb2 26. Rf1 b1Q 27. Rxb1 1/2-1/2

[Event "Buenos Aires TB V"]
[Site "Buenos Aires"]
[Date "1991.??.??"]
[Round "?"]
[White "Slipak, Sergio"]
[Black "Ribas, Alejandro"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2415"]
[PlyCount "51"]
[EventDate "1991.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. Nf3 c5 2. e4 e6 3. c3 d5 4. e5 Nc6 5. d4 Bd7 6. Be2 cxd4 7. cxd4 Nh6 8. Bxh6 gxh6 9. 0-0 Bg7 10. Nc3 0-0 11. Rc1 f6 12. exf6 Rxf6 13. Bd3 Be8 14. h3 Bh5 15. g4 Bg6 16. Bxg6 hxg6 17. Qd3 Qd6 18. Na4 Qb4 19. Nc5 Raf8 20. a3 Qb6 21. Ne5 Nxe5 22. dxe5 Rf3 23. Qxg6 R3f7 24. Qxe6 Qxb2 25. Nd7 Rd8 26. Rc7 1-0

[Event "Pan American-ch U20"]
[Site "Bariloche"]
[Date "1991.??.??"]
[Round "11"]
[White "Watanabe, Roberto Tadashi"]
[Black "Ribas, Alejandro"]
[Result "1-0"]
[ECO "C69"]
[WhiteElo "2275"]
[PlyCount "101"]
[EventDate "1991.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[EventCategory "1"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 f6 6. d4 Bg4 7. dxe5 Qxd1 8. Rxd1 fxe5 9. Rd3 Bd6 10. Nbd2 b5 11. b3 Ne7 12. Ne1 Ng6 13. Rg3 Bd7 14. Bb2 0-0 15. Kf1 Nf4 16. c4 c5 17. Nd3 Nxd3 18. Rxd3 Bc6 19. Ke2 Rf4 20. f3 g5 21. h3 h5 22. g4 Kf7 23. Nf1 hxg4 24. hxg4 Rh8 25. Bc1 Rf6 26. Bxg5 Rg6 27. Be3 Rh1 28. Rad1 Rf6 29. Ng3 Rh2+ 30. Bf2 Bf8 31. Rh1 Rxh1 32. Nxh1 bxc4 33. bxc4 Be8 34. Be1 Rb6 35. Bc3 Rb1 36. Ng3 Rc1 37. Bxe5 Rxc4 38. g5 Bb5 39. Ke3 Ra4 40. Rd2 Bc4 41. f4 Ra3+ 42. Kf2 Rxa2 43. Rxa2 Bxa2 44. f5 Bd6 45. g6+ Kf8 46. Bc3 Bf4 47. Ne2 Bh6 48. Ba5 c6 49. Bb6 c4 50. Nc3 Bb3 51. f6 1-0

[Event "Panamerican-chB U16 7th"]
[Site "Merlo"]
[Date "1990.07.??"]
[Round "10"]
[White "Bertona, Fernando"]
[Black "Ribas, Alejandro"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2265"]
[PlyCount "33"]
[EventDate "1990.07.28"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 0-0 6. cxd5 exd5 7. e3 c6 8. Bd3 Nbd7 9. Qc2 Re8 10. 0-0 Nf8 11. Rae1 Ne4 12. Bxe7 Qxe7 13. Bxe4 dxe4 14. Nd2 f5 15. f3 exf3 16. Nxf3 Be6 17. e4 1/2-1/2

[Event "Panamerican-chB U16 7th"]
[Site "Merlo"]
[Date "1990.07.??"]
[Round "11"]
[White "Pardo, Marco"]
[Black "Ribas, Alejandro"]
[Result "1/2-1/2"]
[ECO "E32"]
[PlyCount "36"]
[EventDate "1990.07.28"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. a3 Bxc3+ 6. Qxc3 b6 7. Nf3 Bb7 8. g3 d6 9. Bg2 Nbd7 10. 0-0 c5 11. Rd1 Qe7 12. Nh4 Bxg2 13. Nxg2 Rac8 14. Qd3 cxd4 15. Qxd4 Nc5 16. Qh4 Rfd8 17. Bg5 Nce4 18. Bxf6 Nxf6 1/2-1/2

[Event "Wch U20"]
[Site "Santiago de Chile"]
[Date "1990.??.??"]
[Round "4"]
[White "Cueto Chajtur, Johny"]
[Black "Ribas, Alejandro"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "65"]
[EventDate "1990.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "CHI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 cxd4 7. cxd4 Bd7 8. 0-0 Nxd4 9. Nxd4 Qxd4 10. Nc3 a6 11. Qe2 Ne7 12. Kh1 Nc6 13. f4 Bc5 14. Rd1 Qf2 15. Qg4 h5 16. Qxg7 0-0-0 17. Rf1 Qd4 18. Bh7 f5 19. exf6 Rdf8 20. f5 exf5 21. Bh6 Bd6 22. Rad1 Qe5 23. Bf4 Qxf6 24. Qxf6 Rxf6 25. Nxd5 Rf7 26. Bg6 Rg7 27. Bxf5 Bxf4 28. Bxd7+ Kxd7 29. Rxf4 Kc8 30. g3 Re8 31. Rd2 Kb8 32. Nf6 Rg5 33. Nxe8 1-0

[Event "Wch U20"]
[Site "Santiago de Chile"]
[Date "1990.??.??"]
[Round "6"]
[White "Figueroa, F."]
[Black "Ribas, Alejandro"]
[Result "1/2-1/2"]
[ECO "C19"]
[PlyCount "62"]
[EventDate "1990.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "CHI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. a4 b6 8. Nf3 Ba6 9. Bb5+ Bxb5 10. axb5 Qc7 11. 0-0 0-0 12. Ba3 Nd7 13. Qd3 h6 14. Nh4 f5 15. f4 Rf7 16. Kh1 Nf8 17. Rg1 g5 18. fxg5 hxg5 19. Nf3 g4 20. Ng5 Rg7 21. Bc1 c4 22. Qe2 Qd7 23. h3 Nh7 24. h4 Ng6 25. g3 Nxg5 26. Bxg5 Qxb5 27. Qd2 Rh7 28. Bh6 Qe8 29. Qg5 Kh8 30. Qf6+ Kg8 31. Qg5 Kh8 1/2-1/2

[Event "Merlo U20"]
[Site "Merlo"]
[Date "1990.??.??"]
[Round "6"]
[White "Hernandez, Gustavo"]
[Black "Ribas, Alejandro"]
[Result "1/2-1/2"]
[ECO "A33"]
[WhiteElo "2205"]
[PlyCount "31"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. g3 Qb6 7. Nb3 Ne5 8. e4 Bb4 9. Qe2 d6 10. f4 Nc6 11. Be3 Bxc3+ 12. bxc3 Qc7 13. Bg2 Na5 14. Nxa5 Qxa5 15. Qb2 Bd7 16. 0-0 1/2-1/2

[Event "Wch U20"]
[Site "Santiago de Chile"]
[Date "1990.??.??"]
[Round "8"]
[White "Holmsten, Aleksei"]
[Black "Ribas, Alejandro"]
[Result "0-1"]
[ECO "C07"]
[PlyCount "136"]
[EventDate "1990.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "CHI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. 0-0 Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Qxd4 Qxd4 11. Nxd4 Bd7 12. Bf4 Rc8 13. Bb3 Bc5 14. Rad1 0-0 15. c3 Rfd8 16. Rd3 Bb5 17. c4 Rxd4 18. Rxd4 Bxd4 19. cxb5 Bxb2 20. Rd1 Ba3 21. f3 Kf8 22. Kf1 Ke8 23. Rd3 Rd8 24. b6 Bc5 25. bxa7 Bxa7 26. Bd6 b5 27. Ke2 Bb8 28. Bxb8 Rxb8 29. Rc3 Kd7 30. Kd3 Rb6 31. Rc5 Kd6 32. Rc8 h5 33. Kd4 Rb7 34. Ra8 Nd7 35. Bc2 Nc5 36. Rd8+ Rd7 37. Rc8 e5+ 38. Ke3 Ra7 39. Bb1 g6 40. Rb8 Rb7 41. Ra8 Ne6 42. Ra6+ Ke7 43. Be4 Rc7 44. Rb6 Ra7 45. Bd5 Nc7 46. Bb3 Ra6 47. Rb7 Rc6 48. Ke4 Rc5 49. g3 f5+ 50. Ke3 Kd6 51. h4 Rc3+ 52. Ke2 Rc6 53. Kd3 Kc5 54. Kc3 Nd5+ 55. Bxd5 Kxd5+ 56. Kd2 Kc4 57. Re7 Ra6 58. Rxe5 Rxa2+ 59. Ke3 Ra6 60. Re8 b4 61. Rc8+ Kb3 62. Kd4 Ka2 63. Rc2+ Kb1 64. Rg2 Rc6 65. g4 fxg4 66. fxg4 b3 67. gxh5 gxh5 68. Rg1+ Rc1 0-1

[Event "Merlo U20"]
[Site "Merlo"]
[Date "1990.??.??"]
[Round "8"]
[White "Minero Pineda, Sergio"]
[Black "Ribas, Alejandro"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2285"]
[PlyCount "45"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 d5 6. Bg2 e5 7. Nc2 d4 8. 0-0 Nc6 9. Bg5 Be7 10. Nd2 Bg4 11. Ne1 Qd7 12. Bxf6 Bxf6 13. Nd3 0-0 14. Re1 Rfe8 15. b4 Rac8 16. b5 Nd8 17. Qa4 b6 18. Ne4 Be7 19. Nxe5 Qe6 20. Nxg4 Rxc4 21. Qb3 Bb4 22. Ne5 Bxe1 23. Nxc4 1-0

[Event "Wch U20"]
[Site "Santiago de Chile"]
[Date "1990.??.??"]
[Round "12"]
[White "Nunez, A."]
[Black "Ribas, Alejandro"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "2300"]
[PlyCount "68"]
[EventDate "1990.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "CHI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 Nc6 5. Bd3 cxd4 6. 0-0 Qc7 7. Bf4 Nge7 8. Re1 g6 9. Nbd2 Bg7 10. Nb3 a6 11. Qd2 Bd7 12. Nbxd4 Nxd4 13. Nxd4 Nc6 14. c3 Rc8 15. Nf3 0-0 16. Bh6 Nxe5 17. Nxe5 Bxe5 18. Bxf8 Bxh2+ 19. Kh1 Bf4 20. Qe2 Rxf8 21. Rad1 Bc6 22. Bc2 Bh6 23. Bb3 Bg7 24. Qe3 b5 25. a3 Qb7 26. Qg3 a5 27. Bc2 Rc8 28. Qg4 d4 29. cxd4 Bxg2+ 30. Qxg2 Qxg2+ 31. Kxg2 Rxc2 32. b4 axb4 33. axb4 Bf8 34. Re5 Bxb4 1/2-1/2

[Event "Wch U20"]
[Site "Santiago de Chile"]
[Date "1990.??.??"]
[Round "10"]
[White "Pilgrim, Peter"]
[Black "Ribas, Alejandro"]
[Result "1-0"]
[ECO "C15"]
[PlyCount "53"]
[EventDate "1990.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "CHI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 dxe4 6. Qg4 Nf6 7. Qxg7 Rg8 8. Qh6 Nbd7 9. Bg5 Rg6 10. Qh4 b6 11. Ne2 Bb7 12. Nf4 Rg8 13. a4 Qe7 14. a5 e5 15. Nh5 Rg6 16. Bb5 c6 17. a6 cxb5 18. axb7 Rb8 19. Rxa7 exd4 20. Ra8 Rxg5 21. Qxg5 Nxh5 22. Qxh5 Qc5 23. Qxc5 bxc5 24. cxd4 cxd4 25. Kd2 Ke7 26. Rxb8 Nxb8 27. Rb1 1-0

[Event "Merlo U20"]
[Site "Merlo"]
[Date "1990.??.??"]
[Round "3"]
[White "Playa, Marcelo"]
[Black "Ribas, Alejandro"]
[Result "1-0"]
[ECO "C15"]
[WhiteElo "2230"]
[PlyCount "99"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 dxe4 5. a3 Be7 6. Nxe4 Nd7 7. Bf4 Ngf6 8. Qd3 Nxe4 9. Qxe4 Nf6 10. Qd3 c5 11. 0-0-0 cxd4 12. Qxd4 Qxd4 13. Nxd4 Bd7 14. Bb5 Bxb5 15. Nxb5 0-0 16. Nd6 Nd5 17. Bg3 Bxd6 18. Bxd6 Rfd8 19. Bg3 Rac8 20. Rd2 b5 21. Rhd1 a5 22. Rd4 Rc6 23. R1d2 Rdc8 24. f4 f5 25. Be1 Kf7 26. Re2 a4 27. g3 Kf6 28. Bf2 h6 29. Rd1 g5 30. Bd4+ Kf7 31. Be5 Rc4 32. Rf2 Ne3 33. Rd7+ Ke8 34. Rdd2 Nd5 35. Kb1 Kf7 36. b3 Re4 37. Rde2 Rxe2 38. Rxe2 gxf4 39. gxf4 Nc3+ 40. Bxc3 Rxc3 41. Kb2 Rf3 42. Re5 Rxf4 43. Rxb5 Re4 44. bxa4 f4 45. a5 f3 46. Rb3 Rf4 47. a6 f2 48. a7 f1Q 49. a8Q Rc4 50. Rf3+ 1-0

[Event "Wch U20"]
[Site "Santiago de Chile"]
[Date "1990.??.??"]
[Round "13"]
[White "Rahman, A."]
[Black "Ribas, Alejandro"]
[Result "1/2-1/2"]
[ECO "C05"]
[WhiteElo "2215"]
[PlyCount "138"]
[EventDate "1990.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "CHI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 cxd4 7. cxd4 Nc6 8. Ngf3 a5 9. Bd3 Qb6 10. Qa4 Nb4 11. Bb1 Qc6 12. Qd1 Qb5 13. Qb3 a4 14. Qe3 Nb6 15. a3 Nc6 16. Bd3 Nc4 17. Qe2 N6a5 18. 0-0 Bd7 19. f5 0-0-0 20. fxe6 fxe6 21. Ng5 Qb6 22. Nf7 Qxd4+ 23. Kh1 Bc5 24. Nxd8 Nxe5 25. Nxe6 Bxe6 26. Bb5 Bg4 27. Qe1 Nac4 28. Nxc4 dxc4 29. Qc3 Qxc3 30. bxc3 Nd3 31. Ra2 Rd8 32. Bxa4 b5 33. h3 bxa4 34. hxg4 Nf2+ 35. Kh2 Nxg4+ 36. Kh3 Ne5 37. Rd2 Nd3 38. Re2 Nxc1 39. Rxc1 Bxa3 40. Rcc2 Rd3+ 41. Kg4 Bd6 42. Re4 Rg3+ 43. Kf5 Kd7 44. Rxc4 h6 45. Rg4 Rxg4 46. Kxg4 Kc6 47. Rd2 Bc5 48. c4 Bb4 49. Ra2 a3 50. Kf3 Kc5 51. Rc2 Kd4 52. Ke2 h5 53. Kd1 g5 54. Kc1 h4 55. Kb1 g4 56. Rf2 Ke3 57. Rc2 Bc5 58. Ka2 Kf4 59. Rc3 g3 60. Rf3+ Kg4 61. Rf7 h3 62. Rg7+ Kf4 63. gxh3 Kf3 64. h4 g2 65. h5 g1Q 66. Rxg1 Bxg1 67. h6 Ke4 68. h7 Bd4 69. Kxa3 Kf5 1/2-1/2

[Event "Wch U20"]
[Site "Santiago de Chile"]
[Date "1990.??.??"]
[Round "9"]
[White "Ribas, Alejandro"]
[Black "Barahona, Daniel"]
[Result "0-1"]
[ECO "C54"]
[BlackElo "2250"]
[PlyCount "114"]
[EventDate "1990.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "CHI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. 0-0 Bxc3 9. d5 Bf6 10. Re1 Ne7 11. Rxe4 d6 12. Bg5 Bxg5 13. Nxg5 h6 14. Qe2 hxg5 15. Re1 Be6 16. dxe6 f5 17. Re3 g4 18. Rg3 d5 19. Bd3 Qd6 20. Qc2 g6 21. Qa4+ c6 22. Qd4 Rh7 23. Bf1 0-0-0 24. Qxa7 Rdh8 25. h3 gxh3 26. Rxh3 g5 27. Qd4 Rxh3 28. gxh3 Rg8 29. Bg2 Rg6 30. Re3 Rxe6 31. Qh8+ Kc7 32. Rb3 Nc8 33. Qh7+ Qe7 34. Qxf5 Re1+ 35. Kh2 Qe5+ 36. Qxe5+ Rxe5 37. Re3 Kd6 38. Kg3 Rf5 39. Rf3 Re5 40. Re3 Rxe3+ 41. fxe3 Ke5 42. Kg4 Kf6 43. h4 gxh4 44. Kxh4 Nd6 45. Bh3 Ke5 46. Kg3 Nc4 47. Kf2 Nxb2 48. Ke2 b5 49. Bd7 Kd6 50. Be8 b4 51. Kd2 Nc4+ 52. Kd3 Ne5+ 53. Kd2 Kc5 54. Bh5 Kb5 55. Be2+ Ka4 56. Bd1+ Ka3 57. Bb3 Kb2 0-1

[Event "Wch U20"]
[Site "Santiago de Chile"]
[Date "1990.??.??"]
[Round "7"]
[White "Ribas, Alejandro"]
[Black "Giaccio, Alfredo Gustavo"]
[Result "0-1"]
[ECO "C18"]
[BlackElo "2225"]
[PlyCount "48"]
[EventDate "1990.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "CHI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. Qg4 0-0 8. Bd3 f5 9. exf6 Rxf6 10. Qh5 h6 11. Nf3 c4 12. Be2 Nbc6 13. 0-0 Bd7 14. Nh4 Qa5 15. Bd2 Nxd4 16. f4 Be8 17. Qg4 h5 18. cxd4 Qxd2 19. Qf3 g5 20. Rad1 Qxc2 21. Qg3 Qxe2 22. Qxg5+ Kf7 23. Nf3 Ng6 24. Ne5+ Kg7 0-1

[Event "Merlo U20"]
[Site "Merlo"]
[Date "1990.??.??"]
[Round "9"]
[White "Ribas, Alejandro"]
[Black "Oblitas Guerrero, Carlomagno"]
[Result "0-1"]
[ECO "B02"]
[PlyCount "88"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Bc4 e6 6. Nc3 Nxc3 7. dxc3 Nc6 8. Bf4 Bxc5 9. Qg4 g6 10. h4 h5 11. Qg3 Ne7 12. 0-0-0 Nf5 13. Qh3 d5 14. Bg5 Be7 15. Nf3 Bd7 16. Bd3 c5 17. g4 hxg4 18. Qxg4 Qa5 19. Kb1 0-0-0 20. Bxf5 exf5 21. Qf4 Bxg5 22. Nxg5 Be6 23. Nxe6 fxe6 24. Qg5 Rhg8 25. Rhg1 Qa4 26. Qf6 Rge8 27. Rde1 Rh8 28. Qxg6 Qxh4 29. f3 Qh7 30. Qg2 Qh2 31. Qg6 Qh7 32. Qg2 Rhg8 33. Qf2 b6 34. a3 f4+ 35. Ka2 Qd3 36. Rxg8 Rxg8 37. Rg1 Rd8 38. Rg7 d4 39. cxd4 Rxd4 40. Rg8+ Kb7 41. Rg7+ Ka6 42. Rg1 c4 43. Rc1 Qb3+ 44. Kb1 Rd1 0-1

[Event "Merlo U20"]
[Site "Merlo"]
[Date "1990.??.??"]
[Round "7"]
[White "Ribas, Alejandro"]
[Black "Paredes, Alejandro"]
[Result "1/2-1/2"]
[ECO "C13"]
[PlyCount "41"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 Bxf6 7. Nf3 b6 8. Qd2 Nd7 9. 0-0-0 Bb7 10. Qf4 Bxe4 11. Qxe4 0-0 12. h4 Be7 13. Ne5 Nf6 14. Qf3 Qd5 15. Qxd5 exd5 16. f3 Bd6 17. Bb5 c5 18. Nd7 Nxd7 19. Bxd7 Rfd8 20. Bc6 Rac8 21. Ba4 1/2-1/2

[Event "Merlo U20"]
[Site "Merlo"]
[Date "1990.??.??"]
[Round "5"]
[White "Ribas, Alejandro"]
[Black "Peralta, Eduardo"]
[Result "1/2-1/2"]
[ECO "A36"]
[BlackElo "2255"]
[PlyCount "64"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e4 e6 6. Nge2 Nge7 7. 0-0 0-0 8. Rb1 b6 9. d3 Bb7 10. Be3 a6 11. d4 d6 12. b3 e5 13. dxc5 dxc5 14. Qxd8 Raxd8 15. Na4 Nc8 16. Nec3 Nd4 17. b4 cxb4 18. Rxb4 Nc2 19. Rb3 Nxe3 20. fxe3 Bh6 21. Nd5 b5 22. cxb5 axb5 23. Nac3 Nd6 24. Nf6+ Kh8 25. Ncd5 Ra8 26. Nd7 Bxd5 27. exd5 Rfe8 28. Rf6 Ra6 29. Nc5 Kg7 30. Ne4 Rd8 31. h4 Nxe4 32. Rxa6 Nc5 1/2-1/2

[Event "Wch U20"]
[Site "Santiago de Chile"]
[Date "1990.??.??"]
[Round "1"]
[White "Ribas, Alejandro"]
[Black "Sorensen, Jan"]
[Result "0-1"]
[ECO "C18"]
[BlackElo "2360"]
[PlyCount "82"]
[EventDate "1990.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "CHI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Ne2 dxc3 11. f4 b6 12. Qd3 Ba6 13. Qxc3 Qxc3+ 14. Nxc3 Bxf1 15. Kxf1 Nbc6 16. Ne2 Nf5 17. Rg1 Rc8 18. g4 Nfd4 19. Ra2 Nf3 20. Rg2 Rxg4 21. Kf2 Rxg2+ 22. Kxg2 Ncd4 23. Be3 Ne1+ 24. Kf2 Nxe2 25. Kxe1 Nc3 26. Rb2 Kd7 27. Bd4 Ne4 28. Kd1 Rg8 29. Rb3 Rg2 30. Kc1 Rxh2 31. a4 Rh1+ 32. Kb2 Rd1 33. Be3 d4 34. Rb4 dxe3 35. Rxe4 e2 36. Rxe2 Rd4 37. Kb3 Rxf4 38. Rd2+ Kc7 39. Rd3 a5 40. c4 Rf5 41. Re3 Kc6 0-1

[Event "Wch U20"]
[Site "Santiago de Chile"]
[Date "1990.??.??"]
[Round "11"]
[White "Ribas, Alejandro"]
[Black "Weiding, T."]
[Result "1-0"]
[ECO "B07"]
[PlyCount "41"]
[EventDate "1990.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "CHI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. h4 Nc6 6. h5 e5 7. h6 Bf8 8. Bb5 Bd7 9. Nf3 exd4 10. Nxd4 Nxd4 11. Qxd4 Rg8 12. Bg5 Bxb5 13. Nd5 Be7 14. Bxf6 Bxf6 15. Nxf6+ Ke7 16. Nxg8+ Qxg8 17. e5 Kd7 18. 0-0-0 Qf8 19. exd6 cxd6 20. Qe5 a6 21. Rxd6+ 1-0

[Event "Merlo U20"]
[Site "Merlo"]
[Date "1990.??.??"]
[Round "2"]
[White "Ribas, Alejandro"]
[Black "Zarnicki, Pablo Adrian"]
[Result "0-1"]
[ECO "C10"]
[BlackElo "2390"]
[PlyCount "58"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. Nf3 Nf6 5. exd5 exd5 6. Bb5 Bg4 7. h3 Bxf3 8. Qxf3 Be7 9. Bg5 0-0 10. Bxc6 bxc6 11. 0-0 Rb8 12. b3 Ne4 13. Nxe4 dxe4 14. Bxe7 Qxe7 15. Rfe1 f5 16. c4 Qd6 17. Qc3 Rbe8 18. Rad1 f4 19. d5 c5 20. f3 e3 21. Re2 Re5 22. Rb1 Qg6 23. Qe1 a5 24. Rc1 Rff5 25. a3 Rg5 26. d6 cxd6 27. Qxa5 Qe6 28. Qa8+ Kf7 29. Qb7+ Kf6 0-1

[Event "Merlo U20"]
[Site "Merlo"]
[Date "1990.??.??"]
[Round "1"]
[White "Silva Hernandez, Jose Luis"]
[Black "Ribas, Alejandro"]
[Result "1/2-1/2"]
[ECO "D42"]
[PlyCount "52"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. e3 cxd4 5. exd4 d5 6. cxd5 Nxd5 7. Nc3 Be7 8. Bd3 Nc6 9. 0-0 0-0 10. Re1 Bf6 11. Be4 Qd6 12. Bg5 Bxg5 13. Nxg5 Nf6 14. d5 exd5 15. Nxd5 Nxe4 16. Nxe4 Qh6 17. Qf3 Be6 18. Rad1 Rad8 19. Nc5 Bxd5 20. Rxd5 b6 21. Nd7 Rfe8 22. Red1 Qe6 23. h3 h6 24. Qc3 Rc8 25. Rd6 Qe2 26. Qg3 Re6 1/2-1/2

